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System

Heat Pump Indoor Unit

INSTALLATION MANUAL

LG

MODELS: LRNN, LRNV-SV Series
Type: Art Cool-Wide

website http://www.lgservice.com

IMPORTANT

• Please read this Installation manual completely before 

installing the product.

• Installation work must be performed in accordance with 

the national wiring standards by authorized personnel 
only.

• Please retain this Installation manual for future reference 

after reading it thoroughly.

Summary of Contents for MULTI V LRNN Series

Page 1: ...tp www lgservice com IMPORTANT Please read this Installation manual completely before installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this Installation manual for future reference after reading it thoroughly ...

Page 2: ...cified torque wrenches different depending on model No Spanner Half union A glass of water Screw driver Hexagonal wrench Gas leak detector Vacuum pump Gauge manifold Owner s manual Thermometer Installation Parts Provided 3 Safety Precautions 4 Installation Selection of the best location 7 Preparing work for installation 8 Fixing the installation plate on the wall and fixing indoor unit 9 Connectio...

Page 3: ...nstallation Parts Provided Name Quantity Shape 1 EA Installation panel 1 set Securing screws 2 EA M4 x 12L Name Quantity Shape Insulating tape Clamp 4 EA Other Owner s manual Installation manual for gas pipe for liquid pipe Insulation for fitting 1 set ...

Page 4: ...he possibility of injury or damage to properties only Be sure not to do Be sure to follow the instruction Installation Do not use a defective or under rated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electri cian or an Authorized Service Center Do not disassemble or repair the product T...

Page 5: ... the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an Authorized Service Center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident or damage to the product Be sure the installation area does not deteriorate with age If the base collapses the air co...

Page 6: ...t To avoid vibration or water leakage Do not install the product where the noise or hot air from the out door unit could damage the neighborhoods It may cause a problem for your neighbors Use two or more people to lift and transport the product Avoid personal injury Do not install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion p...

Page 7: ... not have any heat or steam near the unit Select a place where there are no obstacles in front of the unit Make sure that condensation drainage can be conveniently routed away Do not install near a doorway Ensure that the space around the left and right of the unit is more than 50cm The unit should be installed as high on the wall as possible allowing a minimum of 10cm from ceiling Use a stud find...

Page 8: ...r pipe and cover side remove Remove two screws for fixing cover pipe Pull up the cover side of desired connecting direc tion then cover side is separated In case connecting direction is left or right path through the hole of cover side When path through the hole take care of burr When connecting pipe path through rear wall don t remove the hole 3 Drain hose junction Remove the rubber stopple of de...

Page 9: ... plate with screw or hail 2 Always mount the installation plate horizontally by aligning the making off line by means of the thread and a level 3 Confirm the horizontal and fixed state of the plate 4 Confim the piping hole position 240mm 60mm 240mm 60mm Center hole Installation plate Weight Thread Type A screw Making off line Weight Thread Making off line ...

Page 10: ...om left to right could cause prob lem of pipe damage Good case For right piping Follow the instruction below Press on the upper side of clamp and unfold the tubing to downward slowly Drilling the hole slightly tilted Piping direction 70mm 70mm Indoor Outdoor 5 7mm Pipes Drain pipe Right Left Right rear Left rear ...

Page 11: ...ended 3 Connecting the pipings to the indoor unit and drain hose to drain pipe Align the center of the pipes and sufficiently tighten the flare nut by hand Tighten the flare nut with a wrench When extending the drain hose at the indoor unit install the drain pipe 4 Wrap the insulation material around the connect ing portion Overlap the connection pipe insulation material and the indoor unit pipe i...

Page 12: ... Wrap with vinyl tape Indoor unit pipe Pipe Wrap with vinyl tape Drain hose Pipe Vinyl tape wide 1 To check the drainage Pour a glass of water on the evaporator Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit 2 Drain piping The drain hose should point downward for easy drain flow Do not make drain piping Downward slope Do not raise A...

Page 13: ...on Front Panel Assembly 1 First check the side cover assembly exactly 2 Assemble connecting lead wire with controller fix the upper part of panel front and match the lower part of panel front 3 Drive three screws Panel Front Connector ...

Page 14: ...cally for the air conditioner As for the method of wiring be guided by the wiring diagram posted on the inside of control cover 2 The screw which fastens the wiring in the casing of electrical fittings is liable to come loose from vibra tions to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could cau...

Page 15: ...correct Be sure that both batteries are new 3 Re attach the cover Slide it back into position HOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIES Do not use rechargeable batteries such batteries differ from standard dry cells in shape dimensions and per formance Romove the batteries from the remote control if the air conditioner is not going to be used for some long time Installation of Remote Contro...

Page 16: ...e one trap per unit A single trap for converging units will prove ineffective c Rig the trap to allow for future changing b Suspension bolts should be used th support long stretches of drain pipe in order to ensure that a gradient of 1 100 is maintained PVC pipe should not be bent Spacing of supports for horizontal piping c The length of pipe laid horizontally should be kept a minimum Gradient of ...

Page 17: ...e drain pipe is thermally insulated to prevent the formation of condensation inside the pipe The drain up mechanism should be fitted before the indoor unit is installed and when the electricity has been connected some water should be added to the drain pan so that the drain pump checks to see that it is functioning correctly All connections should be secure Special care is needed with PVC pipe Ins...

Page 18: ...P No 3828A23004F Printed in Korea After reading this manual keep it in a place easily accessible to the user for future reference ...

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